Christ what is wrong with people, are you so twisted you just can't look at someone and say "Enough already, you are stupid and boring and I am not going to fuck you now go away!"? Really can't you just be frigging honest?

No, that's not the way to go. The thing that is instant repellant is "I would really like to talk to you about Jesus..." and if they're like "oh yeah? I'm Christian/prodestant/baptist!" just say "Jesus only
Truely lives in catholisism (or if they're catholic) Mormonism," nobody likes to listen o other people drone on about their religion